Category Archives: Probability and Statistics MCQ

This set of Probability and Statistics Quiz focuses on “Testing of Hypothesis Concerning Single Population Mean”. 1. What is the assumption made for performing the hypothesis test with T distribution? a) the distribution is non-symmetric b) the distribution has more than one modal class c) the distribution has a constant variance d) the distribution follows … Read more

This set of Probability and Statistics Multiple Choice Questions & Answers (MCQs) focuses on “Testing of Hypothesis”. 1. A statement made about a population for testing purpose is called? a) Statistic b) Hypothesis c) Level of Significance d) Test-Statistic 2. If the assumed hypothesis is tested for rejection considering it to be true is called? … Read more

This set of Probability and Statistics Multiple Choice Questions & Answers (MCQs) focuses on “F-Distribution”. 1. The mean of the f – distribution is equal to ___________ a) v2 / (v2 – 2) for v2 > 2 b) v2 / (v2 – 2)2 for v2 > 2 c) v2 / (v2 – 2)3 for v2 … Read more

This set of Probability and Statistics Multiple Choice Questions & Answers (MCQs) focuses on “Chi-Squared Distribution”. 1. A dice is tossed 120 times with the following results No. turned up 1 2 3 4 5 6 Frequency 30 25 18 10 22 15 Test the hypothesis that the dice is unbiased (X2 = 11.7). Calculate … Read more

This set of Probability and Statistics Questions and Answers for Campus interviews focuses on “Sampling Distribution of Proportions”. 1. The probability of selecting a sample containing n items from a population with N items without replacement in a Sampling Distribution is? a) 1/NCn b) 1/nCN c) 1/2n d) 1/2N 2. Find the number of all … Read more

This set of Probability and Statistics Questions and Answers for Entrance exams focuses on “Sampling Distribution of Means”. 1. If the mean of population is 29 then the mean of sampling distribution is __________ a) 29 b) 30 c) 21 d) 31 2. In systematic sampling, population is 240 and selected sample size is 60 … Read more

This set of Probability and Statistics Interview Questions and Answers focuses on “Sampling Distribution – 2”. 1. A population has N items. Samples of size n are selected without replacement. Find the number of possible samples. a) NCn b) nCN c) 2n d) 2N 2. Find the number of all possible samples from a population … Read more

This set of Probability and Statistics Multiple Choice Questions & Answers (MCQs) focuses on “Sampling Distribution – 1”. 1. What does the central limit theorem state? a) if the sample size increases sampling distribution must approach normal distribution b) if the sample size decreases then the sample distribution must approach normal distribution c) if the … Read more

This set of Probability Multiple Choice Questions & Answers (MCQs) focuses on “Marginalization, Independence, Conditioning and Bayes Rule”. 1. Two events A and B are said to be independent if ______ a) P(EF)=P(E+F) b) P(EF)=P(E) c) P(EF)=P(E)P(F) d) P(EF)=P(F) 2. Two coins are flipped and all four outcomes are assumed to be equally likely. The … Read more

This set of Probability and Statistics Multiple Choice Questions & Answers (MCQs) focuses on “Weibull Distribution”. 1. How many parameters are there in Weibull distribution? a) 1 b) 2 c) 3 d) 4 2. Weibull distribution gives the failure rate proportional to the power of time. a) True b) False 3. In Weibull distribution, if … Read more